Products
LEO 4XRm2/21-1.1
LEO 4XRm2/21-1.1 submersible borehole pump
For water supply from wells or reservoirs, domestic and industrial water transfer, and irrigation. Range photograph shown; confirm the supplied assembly.
Model specifications
| Rated motor output | 1.1 kW |
|---|---|
| Supply | Single-phase 220–240 V, 50 Hz |
| Performance table reference speed | Approximately 2850 rpm |
Individual hydraulic curve
The curve joins the exact published local hydraulic table points by straight lines. No performance outside the listed points is assumed. Shut-off head is not the operating duty; select against required flow and total dynamic head.
Published hydraulic points
| Flow (m³/h) | Head (m) |
|---|---|
| 0.0 | 149 |
| 0.3 | 147 |
| 0.6 | 146 |
| 0.9 | 145 |
| 1.2 | 140 |
| 1.5 | 135 |
| 1.8 | 126 |
| 2.1 | 118 |
| 2.4 | 109 |
| 2.7 | 95 |
| 3.0 | 82 |
| 3.3 | 67 |
Model dimensions and connections
This manufacturer outline identifies the dimensions in the model-specific table below. It is not to scale; use the selected single-phase assembly values, not another motor variant.
| P - pump length | 768 mm |
|---|---|
| M(s) - single-phase motor length | 389 mm |
| T(s) - overall length | 1157 mm |
| Standard outlet DN | 1¼ inch |
| Optional outlet DN | 1 inch or 1½ inch; confirm selected outlet |
Dimensions are the LEO European single-phase reference for this exact model. Confirm the supplied motor, outlet, cable length, control-box configuration and assembly clearance before installation; regional assemblies may differ.

